1422642423406 has 8 divisors (see below), whose sum is σ = 2134093117680. Its totient is φ = 711278050848.

The previous prime is 1422642423379. The next prime is 1422642423427. The reversal of 1422642423406 is 6043242462241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1422642423406² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21539211 + ... + 21605158.

It is an arithmetic number, because the mean of its divisors is an integer number (266761639710).

Almost surely, 2^{1422642423406} is an apocalyptic number.

1422642423406 is a deficient number, since it is larger than the sum of its proper divisors (711450694274).

1422642423406 is a wasteful number, since it uses less digits than its factorization.

1422642423406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43160858.

The product of its (nonzero) digits is 442368, while the sum is 40.

Adding to 1422642423406 its reverse (6043242462241), we get a palindrome (7465884885647).

The spelling of 1422642423406 in words is "one trillion, four hundred twenty-two billion, six hundred forty-two million, four hundred twenty-three thousand, four hundred six".